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Technical Data Sheet
PartsTable / COMPONENT / SCB69322-8
SCB69322-8 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 430 OVERALL, thickness: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN, hole_diameter: 0.314 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN, overall_diameter: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN, features_provided: CASEHARDENED, surface_treatment: CHROMIUM OR PASSIVATE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-205-8932, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
SCB69322-8
NSN: 5310-00-205-8932
FSC: 5310
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
materialSTEEL COMP 430 OVERALL
thickness0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
hole_diameter0.314 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN
overall_diameter0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
features_providedCASEHARDENED
surface_treatmentCHROMIUM OR PASSIVATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationQQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationMIL-F-14072 MIL SPEC 1ST TREATMENT RESPONSE OVERALL
NSN5310-00-205-8932
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: SCB69322-8 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CENTER HOLE SHAPE STYLE: ROUND
•
OVERALL DIAMETER: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
•
FEATURES PROVIDED: CASEHARDENED
•
MATERIAL: STEEL COMP 430 OVERALL
•
SURFACE TREATMENT: CHROMIUM OR PASSIVATE OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-F-14072 MIL SPEC 1ST TREATMENT RESPONSE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THICKNESS: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE SHAPE STYLEROUND
OVERALL DIAMETER0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
FEATURES PROVIDEDCASEHARDENED
MATERIALSTEEL COMP 430 OVERALL
SURFACE TREATMENTCHROMIUM OR PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072 MIL SPEC 1ST TREATMENT RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THICKNESS0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
51768Interchangeable
interchangeable cross-reference
interchangeable
Q607A1076Interchangeable
interchangeable cross-reference
interchangeable
Q607A1050Interchangeable
interchangeable cross-reference
interchangeable
VE-428Interchangeable
interchangeable cross-reference
interchangeable
D-844Interchangeable
interchangeable cross-reference
interchangeable
28212Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SCB69322-8?
SCB69322-8 is a WASHER,FLAT.
What parts can replace SCB69322-8?
There are 11 known substitutes for SCB69322-8: 51768, Q607A1076, Q607A1050 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SCB69322-8?
SCB69322-8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-205-8932. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: July 2026